Bonk's Revenge - GB

Game Description: A Game Boy port of the TurboGrafx-16 platformer sequel starring the headbutting caveman Bonk and his misadventures in ancient times.
One day soon after arriving on the moon, Bonk hears an incredible explosion. Oh, no! The earth has split into two! The sinister King Drool has struck again. This is bad. Real bad, Bonk must return to the earth immediately!